19 results
Diabetic Retinopathy: Pathogenesis and clinical findings

Mild Non-proliferative DR
 • Outpouchings of the weakened capillary walls or
Diabetic Retinopathy ... Hemorrhages • Focal areas ... ischemia causes ... #Retinopathy #Diabetes ... #ophthalmology
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Central Retinal ... Second most common cause ... disease (Most common cause ... : Diabetic retinopathy ... ) #Clinical #Ophthalmology
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
degeneration - Retina ... : Diabetic retinopathy ... Lens Dislocation, Retinal ... Differential #Diagnosis #causes ... #ophthalmology
Blurry Vision - Differential Diagnosis Framework

Anatomical Approach to Eye Disease:
1. Lids/Lashes
2. Extraocular Muscles/Motility
3. Conjunctiva/Sclera
4. Cornea
5. Anterior
degeneration • Diabetic ... Concussion Other Causes ... hyperviscosity syndrome, diabetes ... differential #diagnosis #ophthalmology ... #causes
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
nervefiber layer -> Retinal ... white or yellow areas ... of the terminal retinal ... around atrophic areas ... pathophysiology #ophthalmology
Cotton Wool Spots

Caused by microinfarcts. Exploded ganglion cell axons extrude their axoplasm into retina. Long DDx:
Wool Spots Caused ... axoplasm into retina ... hypertension, diabetes ... Spots #fundoscopy #ophthalmology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... (Uncontrolled Diabetes ... • Increased urea ... Recovery from Acute Renal ... Diagnosis #Algorithm #Causes
UROLITHIASIS 

80% of stones are composed of calcium oxalate or phosphate. Others include uric acid (9%),
overwhelms the renal ... elevated urine pH, & urease ... Urea breakdown yields ... disorders such as diabetes ... These mutations cause
Chronic Vision Loss by Anatomic Location - Differential Diagnosis Algorithm
Cornea:
 • Keratoconus
 • Stromal Scaring
 •
Degeneration (Wet, Dry) Retina ... Macular Edema: • Diabetic ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
aldosterone Causes ... Tuberculosis: can cause ... Lung cancer • Renal ... Hypoparathyroidism - Type 1 diabetes ... bronzing") - Palmar creases